private void bnBuzzerOff_Click(object sender, EventArgs e)
{
uint uRet = BuzzerDll.epcBuzzerOff(); /* 使蜂鸣器一直蜂鸣 */
if (uRet == 0)
{
MessageBox.Show("蜂鸣器禁止失败");
}
}
private void bnBeepFive_Click(object sender, EventArgs e)
{
uint bRet = BuzzerDll.epcBuzzerBeeps(5, 200, 200); /* 蜂鸣器鸣叫5次 */
if (bRet == 0)
{
MessageBox.Show("蜂鸣器鸣叫失败");
}
}
private void bnBuzzerState_Click(object sender, EventArgs e)
{
uint dwStatus = BuzzerDll.epcBuzzerGetStatus(); /* 读蜂鸣器状态 */
if (dwStatus > 1)
{
MessageBox.Show("读蜂鸣器状态失败");
return;
}
if (dwStatus == 0)
{
MessageBox.Show("蜂鸣器处于蜂鸣状态");
}
else
{
MessageBox.Show("蜂鸣器处于禁止状态");
}
}
